# SDR CA970523003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Beech 200BEECH
- Engine: Pwa PT6A41
- System (JASC): [2915 · Hydraulic Pressure Relief Valve, Main](https://openairdocs.org/jasc/2915)
- Part: Valve
- Part number: MS28893C6
- Condition: Failed
- Location: Hyd Press Relief
- Part time: 4,462 hours
- Component: MS28893C6
- Stage of operation: TX
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970523003

## Discrepancy

(CAN) HYDRAULIC PUMP WAS OBSERVED RUNNING CONTINOUSLY.  MAINTENANCE FOUND THE THERMAL PRESSURE RELIEF VALVE TO BE OPENING AT 1200 PSI INSTEAD OF THE RATED 2250 PSI.  VALVE CHANGED.

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